Ladies, I need your creative help! I'm going on a hen party at the end of September and there's a…

Ladies, I need your creative help! I'm going on a hen party at the end of September and there's a dressing up theme of Disney (mostly princesses)... except none of the princesses ever got pregnant so there's no maternity costumes 🙈 any ideas?? pictures/pin boards/links appreciated! I really don't want to dress up as Olaf! The hen is already Tinkerbell which ruled out a maternity fairy costume 🙁